Ments



1atented .1 uly 1, 1919.

Nr Ny' tid f incanta l Specification of Itetters Watcnt.

.upplieation filed september ll, lult. teral No. llg'titl.

"' therefrom to pumps which are conveniently located, to suppl customers, usually near the street curb. rThese pumps are provided with cylinders of rated capacity adapted to deliver a givenvoluine of fluid at each complete stroke,'means being employed to require a complete stroke at each operation,

and mechanism being employed to visually' indicate the number of complete strokes and the number of partial strokes so that the customer may know how much fluid he is getting. Theoretically devices of this character will correctly indicate the amount of fluid delivered and inpractice they do soas long as there is no wear in the piston, with consequent leakage of fluid thereby. Practically the wear of the piston, and of the connecting mechanism is such as to render the indicating mechanism unreliable.

An object of this invention is to provide a measuring tank into which fluid may be pumped prior to delivery and wherein the customer may see the amount he is to re ceive. v

With the foregoing and other objectsl in view, the invention consists of the novel construction and arrangement of parts illustrated in the accompanying drawing which forms a part of this specification, wherein is set forth an embodiment of the invention, but it is to be understood that such changes and modifications may be resorted to as.

come within the scope of the 'appended claims.

lln the accompanying drawing, wherein similar reference characters designate like arts Iin the several views: Figure l, is a front elevation of an embodiment of my invention: lllig. 2, a side elevation partly in v section, and with parts broken away to show ,the construction: Fig. 3, a cross section on line 3-3 oflfig. 2: Fig. ll, an elevation of the idoat with a portion broken away. lfig. 5 is a sectional view of the drain cock and cut off valve, the handles thereof and parts carried thereby, showing the drain cock open and the cut off valve closed. liig. tl is a similarview, showing the drain cock closed and the cut ed valve open. y

lin the construction illustrated herewith a casing -lll, preferably cylindrical, rests upon a base -l2- and is surinountedby an annular flange l3 which supports a measuring tank -l4;-. This tank is pro,- vided with a gage glass, or tube -l5 of sufficient size to permit the free movement 'therein of a float --lf'in which is large enough to be clearly discernible at a con siderable distance. The gage glass is connected Iwith the tank by means of fittings -l-. AL graduated scale -l9- is placed on both sides of the gage glass and serves to indicate the number of gallons contained in the tank when the fluid stands at the different levels indicated by the scale. Grasolene and many other fluids, are practically transparent and it would be difficult to observe the height thereofin the gage glass, consequently the float lf3 is used. The float, .preferably hollow, is weighted at the lower end so'that it will sink in the fluid to such an extent that a central transverse mark 20- thereon will be even with the surface of the fluid and when the mark coincides with an index on the scale 19, say the gure 10, it shows that there are that many gallons in the tank. Positioned 011 the ibase, within the casing is a pump 2lof a suitable type, which is connected by ineansof a pipe *Q2- with a suitable source of' supply such as an underground reservoir, and with the measuring tank 14, by means of a pipe -23-- it check valve -2 interposed in the continuity of the pipe prevents the fluid from returning from the measuring tank. An extension -25-q from the pipe 23, at a point below the tank, and above the check valve, is provided with a cut-off valve -2G- and a screw threaded terminal Q7-'- for theconnection Patented duly il, tutti.

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lflll leading the measured fluid to a desired de- 4,livery point In operation the pump is operated to force fluid into the tank until the float indicates that the desired amount, say 10 gallons has entered, should more than the amount desired be inadvertently forced into the tank, the drain cock -28- may be opened and the surplus amountl allowed to return, through the drain pipe 29- to the reservoir. The cut-01T valve is then opened and the fluid permitted to flow from the measuring tank into the lreceptacle provided by the purchaser. I have provided means whereby the drain cock cannot be opened While the cuto valve is open and viceversa. The handle n801m of the drain cock 28 isjextended into proximity to the handle -31- of the cut-off valve. The handle 31 is provided with an arcuate lateral eXtension -32- which isy adapted to be moved by the opening movement of the eut-olf valve, into the path of the handle 30 and prevent the opening movement of thedrain cock. 'Ihe extension 82 is spaced apartl from the handle proper Iby an interval or recess 34- Which, When the cut off valve isr closed, lies in the path of and may be entered by a lateral projection -33--- on the handle of the drain cock, the presence of the projection 33 in the recess preventing the opening of the cut 0H valve. The casing is provided With a door -35- by means .of

A pro-l Whieh access may be had thereto. tecting cover -36- for'the gage glass and scalps is removably supported.v by lugs 3 j From the foregoing description it Will'be seen that I have produceda device for dispensing fluids that is absolutely reliable,that may be tested and certiied by oliicial inspectors of Weights and measures, that exhibits to the purchaser the ex'act amount of fluid he is to receive before it is delivered to him and one that is economical in construction and facile in operation.

Having thus described my invention so that anyone may make and usesame, I claim:

1. In a liquid dispenser, a tank, a delivery pipe therefor, a drain pipe and a service pipe located adjacent to each other, a valve in the drain pipe having a stem provided With a crank handle, a valve in the service pipe having a stem provided With a crank handle, the latter having a lateral arcuate extension spaced apart from the handle proper by a notch or interval, the drain valve handle having a lateral extension adapted to engage said notch when the valve is opened to thereby lock the service valve from being opened, and .to engage said areuate extension When the service valve is opened to thereby lock the drain from being opened. v,

2. In a liquid dispenser. a tank, a delivery pipe to said tank, a drain pipe and a service pipe for said tank located adjacent to each other, a valve in the drain pipe having astem lprovided With a crank handle, a valve in the service pipe having a stem prolvided -With a crank handle projecting to- Ward and the path of which intersects the path of the service valve handle, the latter having a lateral arcuate extension spaced apart from the handle proper by a notch or interval, the Vdrain valve handle having opened.

JAMES HENRY BRADY. 

